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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2017-2018, 2021 Sadie Powell <sadie@sadiepowell.dev>
* Copyright (C) 2014, 2018 Attila Molnar <attilamolnar@hush.com>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
namespace Modes
{
struct Change;
class ChangeList;
}
/** A single mode to be changed
*/
struct Modes::Change final
{
bool adding;
ModeHandler* mh;
std::string param;
std::optional<std::string> set_by;
std::optional<time_t> set_at;
/**
* @param handler Mode handler
* @param add True if this mode is being set, false if removed
* @param parameter Mode parameter
*/
Change(ModeHandler* handler, bool add, const std::string& parameter = "")
: adding(add)
, mh(handler)
, param(parameter)
{
}
/**
* @param handler Mode handler
* @param add True if this mode is being set, false if removed
* @param parameter Mode parameter
* @param setby Who the mode change was originally performed by.
* @param setat When the mode change was originally made.
*/
Change(ModeHandler* handler, bool add, const std::string& parameter, const std::string& setby, time_t setat)
: adding(add)
, mh(handler)
, param(parameter)
, set_by(setby)
, set_at(setat)
{
}
};
/** A list of mode changes that can be applied on a Channel or User
*/
class Modes::ChangeList final
{
public:
typedef std::vector<Change> List;
/** Add a new mode to be changed to this ChangeList
* @param change Mode change to add
*/
void push(const Modes::Change& change)
{
items.push_back(change);
}
/** Insert multiple mode changes to the ChangeList
* @param first Iterator to the first change to insert
* @param last Iterator to the first change to not insert
*/
void push(List::const_iterator first, List::const_iterator last)
{
items.insert(items.end(), first, last);
}
/** Add a new mode to be changed to this ChangeList. Parameters are forwarded to the Modes::Change constructor. */
template <typename... Args>
void push(Args&&... args)
{
items.emplace_back(std::forward<Args>(args)...);
}
/** Add a new mode to this ChangeList which will be set on the target
* @param mh Mode handler
* @param param Mode parameter
*/
void push_add(ModeHandler* mh, const std::string& param = std::string())
{
push(mh, true, param);
}
/** Add a new mode to this ChangeList which will be unset from the target
* @param mh Mode handler
* @param param Mode parameter
*/
void push_remove(ModeHandler* mh, const std::string& param = std::string())
{
push(mh, false, param);
}
/** Remove all mode changes from this stack
*/
void clear() { items.clear(); }
/** Checks whether the ChangeList is empty, equivalent to (size() != 0).
* @return True if the ChangeList is empty, false otherwise.
*/
bool empty() const { return items.empty(); }
/** Get number of mode changes in this ChangeList
* @return Number of mode changes in this ChangeList
*/
List::size_type size() const { return items.size(); }
/** Get the list of mode changes in this ChangeList
* @return List of modes added to this ChangeList
*/
const List& getlist() const { return items; }
/** Get the list of mode changes in this ChangeList
* @return List of modes added to this ChangeList
*/
List& getlist() { return items; }
private:
List items;
};
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